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Re: nmap 3.50 Oddity on FreeBSD 4.9-RELEASE
From: eric <eric-nmap () catastrophe net>
Date: Tue, 23 Mar 2004 22:43:19 -0600

On Tue, 2004-03-23 at 10:06:52 +0100, Weiersmüller Mathias (KPFN 1) proclaimed...

Is the network 10.51.55.0/25 directly connected, or is a entry in
the routing table which has the address 10.51.55.0 as "first
address" within the network? So this address is a "network
number", and I suppose that FreeBSD 4.9 does not want to send
packets towards the network number.

What happens when trying to ping or open a telnet towards
10.51.55.0?

Just my 5 cents...


It's a subnet about 4 hops away, routed through a core. subnet-zero
is enabled in our environment, and 10.51.55.0 is seen as a host on
the network.

Note that if I try any other .0's around, I don't get the problem.
Only this one .0. Also, I've tested a kernel change to no avail.

kern.ipc.nmbclusters=32768

Any more words of wisdom are appreciated.


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